@article{AbbasHedwigBalcetal.2023,
  author    = {Abbas, Karim and Hedwig, Lukas and Balc, Nicolae and Bremen, Sebastian},
  title     = {Advanced FFF of PEEK: Infill strategies and material characteristics for rapid tooling},
  series = {Polymers},
  volume    = {2023},
  journal   = {Polymers},
  number    = {15},
  publisher = {MDPI},
  address   = {Basel},
  doi       = {10.3390/polym15214293},
  pages     = {Artikel 4293},
  year      = {2023},
  abstract  = {Traditional vulcanization mold manufacturing is complex, costly, and under pressure due to shorter product lifecycles and diverse variations. Additive manufacturing using Fused Filament Fabrication and high-performance polymers like PEEK offer a promising future in this industry. This study assesses the compressive strength of various infill structures (honeycomb, grid, triangle, cubic, and gyroid) when considering two distinct build directions (Z, XY) to enhance PEEK's economic and resource efficiency in rapid tooling. A comparison with PETG samples shows the behavior of the infill strategies. Additionally, a proof of concept illustrates the application of a PEEK mold in vulcanization. A peak compressive strength of 135.6 MPa was attained in specimens that were 100\% solid and subjected to thermal post-treatment. This corresponds to a 20\% strength improvement in the Z direction. In terms of time and mechanical properties, the anisotropic grid and isotropic cubic infill have emerged for use in rapid tooling. Furthermore, the study highlights that reducing the layer thickness from 0.15 mm to 0.1 mm can result in a 15\% strength increase. The study unveils the successful utilization of a room-temperature FFF-printed PEEK mold in vulcanization injection molding. The parameters and infill strategies identified in this research enable the resource-efficient FFF printing of PEEK without compromising its strength properties. Using PEEK in rapid tooling allows a cost reduction of up to 70\% in tool production.},
  language  = {en}
}
@article{KaemperPicardSchuetzeetal.2006,
  author    = {K{\"a}mper, Klaus-Peter and Picard, A. and Sch{\"u}tze, A. and Wallach, D.},
  title     = {Adopting the Foundry Concept of Semiconductor Fabrication on Educational Schemes and the Virtual Technology Lab (VTL). Picard, A.; K{\"a}mper, K.-P.; Sch{\"u}tze, A.; Wallach, D.; Walter, T.},
  series = {Mst-News (2006)},
  journal   = {Mst-News (2006)},
  isbn      = {0948-3128},
  pages     = {15, 16 -- u. 35},
  year      = {2006},
  language  = {en}
}
@article{GebhardtSchmidtHoetteretal.2010,
  author    = {Gebhardt, Andreas and Schmidt, Frank-Michael and H{\"o}tter, Jan-Steffen and Sokalla, Wolfgang and Sokalla, Patrick},
  title     = {Additive Manufacturing by selective laser melting the realizer desktop machine and its application for the dental industry},
  series = {Physics Procedia},
  volume    = {5},
  journal   = {Physics Procedia},
  number    = {2},
  isbn      = {1875-3892},
  pages     = {543 -- 549},
  year      = {2010},
  language  = {en}
}
@article{FateriGebhardt2015,
  author    = {Fateri, Miranda and Gebhardt, Andreas},
  title     = {Additive manufactured mechanical disentanglement lock},
  series = {RTejournal - Forum f{\"u}r Rapid Technologie},
  volume    = {12},
  journal   = {RTejournal - Forum f{\"u}r Rapid Technologie},
  publisher = {Fachhochschule Aachen},
  address   = {Aachen},
  issn      = {1614-0923},
  url       = {http://nbn-resolving.de/urn:nbn:de:0009-2-42147},
  year      = {2015},
  language  = {en}
}
@article{KaemperDoepperEhrfeldetal.1998,
  author    = {K{\"a}mper, Klaus-Peter and D{\"o}pper, J. and Ehrfeld, W. and Oberbeck, S.},
  title     = {A self-filling low-cost membrane micropump},
  series = {Proceedings : an investigation of micro structures, sensors, actuators, machines and systems / sponsored by the IEEE Robotics and Automation Society in cooperation with the ASME Dynamic Systems and Control Division},
  journal   = {Proceedings : an investigation of micro structures, sensors, actuators, machines and systems / sponsored by the IEEE Robotics and Automation Society in cooperation with the ASME Dynamic Systems and Control Division},
  publisher = {IEEE Service Center},
  address   = {Piscataway, NJ},
  isbn      = {078034412X},
  pages     = {432 -- 437},
  year      = {1998},
  language  = {en}
}
@article{EngemannCoenenDawaretal.2021,
  author    = {Engemann, Heiko and C{\"o}nen, Patrick and Dawar, Harshal and Du, Shengzhi and Kallweit, Stephan},
  title     = {A robot-assisted large-scale inspection of wind turbine blades in manufacturing using an autonomous mobile manipulator},
  series = {Applied Sciences},
  volume    = {11},
  journal   = {Applied Sciences},
  number    = {19},
  publisher = {MDPI},
  address   = {Basel},
  issn      = {2076-3417},
  doi       = {10.3390/app11199271},
  pages     = {1 -- 22},
  year      = {2021},
  abstract  = {Wind energy represents the dominant share of renewable energies. The rotor blades of a wind turbine are typically made from composite material, which withstands high forces during rotation. The huge dimensions of the rotor blades complicate the inspection processes in manufacturing. The automation of inspection processes has a great potential to increase the overall productivity and to create a consistent reliable database for each individual rotor blade. The focus of this paper is set on the process of rotor blade inspection automation by utilizing an autonomous mobile manipulator. The main innovations include a novel path planning strategy for zone-based navigation, which enables an intuitive right-hand or left-hand driving behavior in a shared human-robot workspace. In addition, we introduce a new method for surface orthogonal motion planning in connection with large-scale structures. An overall execution strategy controls the navigation and manipulation processes of the long-running inspection task. The implemented concepts are evaluated in simulation and applied in a real-use case including the tip of a rotor blade form.},
  language  = {en}
}
@article{PfaffEnningSutter2022,
  author    = {Pfaff, Raphael and Enning, Manfred and Sutter, Stefan},
  title     = {A risk‑based approach to automatic brake tests for rail freight service: incident analysis and realisation concept},
  series = {SN Applied Sciences},
  volume    = {4},
  journal   = {SN Applied Sciences},
  number    = {4},
  publisher = {Springer},
  address   = {Cham},
  issn      = {2523-3971},
  doi       = {10.1007/s42452-022-05007-x},
  pages     = {1 -- 14},
  year      = {2022},
  abstract  = {This study reviews the practice of brake tests in freight railways, which is time consuming and not suitable to detect certain failure types. Public incident reports are analysed to derive a reasonable brake test hardware and communication architecture, which aims to provide automatic brake tests at lower cost than current solutions. The proposed solutions relies exclusively on brake pipe and brake cylinder pressure sensors, a brake release position switch as well as radio communication via standard protocols. The approach is embedded in the Wagon 4.0 concept, which is a holistic approach to a smart freight wagon. The reduction of manual processes yields a strong incentive due to high savings in manual labour and increased productivity.},
  language  = {en}
}
@article{EnningHueckerJenayehetal.1999,
  author    = {Enning, Manfred and H{\"u}cker, Jan and Jenayeh, Imad and Rake, Heinrich},
  title     = {A Parametric Identification Scheme for a Self-tuning Industrial Compact Controller - INTERKAMA 1999 / Hucker, Jan ; Jenayeh, Imad ; Enning, Manfred ; Rake, Heinrich},
  year      = {1999},
  language  = {en}
}
@article{ScheidweilerTriesch2016,
  author    = {Scheidweiler, Robert and Triesch, Eberhard},
  title     = {A note on the duality between matchings and vertex covers in balanced hypergraphs},
  series = {Journal of Combinatorial Optimization},
  volume    = {32},
  journal   = {Journal of Combinatorial Optimization},
  number    = {2},
  publisher = {Springer},
  address   = {Berlin},
  issn      = {1573-2886},
  doi       = {10.1007/s10878-015-9887-5},
  pages     = {639 -- 644},
  year      = {2016},
  abstract  = {We present a new Min-Max theorem for an optimization problem closely connected to matchings and vertex covers in balanced hypergraphs. The result generalizes Kőnig's Theorem (Berge and Las Vergnas in Ann N Y Acad Sci 175:32-40, 1970; Fulkerson et al. in Math Progr Study 1:120-132, 1974) and Hall's Theorem (Conforti et al. in Combinatorica 16:325-329, 1996) for balanced hypergraphs.},
  language  = {en}
}
@article{EnningJenayehMuelleretal.1998,
  author    = {Enning, Manfred and Jenayeh, I. and M{\"u}ller, C. and Kositza, N.},
  title     = {A New Approach for Automating Shunting Processes in Marshalling Yards / Jenayeh, I.; M{\"u}ller, C. ; Kositza, N. ; Enning, M. ; Rake, H.},
  series = {Computational Engineering in Systems Applications : 2nd IMACS International Multiconference CESA'98; [abstracts; Nabeul-Hammamet, Tunisia, April 1 - 4, 1998] / ed. by Pierre Borne},
  journal   = {Computational Engineering in Systems Applications : 2nd IMACS International Multiconference CESA'98; [abstracts; Nabeul-Hammamet, Tunisia, April 1 - 4, 1998] / ed. by Pierre Borne},
  publisher = {UCIS},
  address   = {Villeneuve d'Ascq},
  pages     = {338 -- 343},
  year      = {1998},
  language  = {en}
}